Interactive math exercises — matrices semester 1

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Matrices
What you will learn in this course
Matrices — 1Matrices — 2Matrices — 3Matrices — 4Matrices — 5Matrices — 6

An interactive book that builds matrices step by step: what a matrix is and how linear systems are written with them, adding and multiplying matrices, the 2×2 and 3×3 determinant, Gaussian elimination, and the inverse matrix and solving systems with it — with graded exercises, hints and detailed solutions.

What is a matrix?
=
Matrices as equation solvers
+
Adding and subtracting matrices
×
Multiplying matrices
|A|
The 2×2 determinant
|3|
The 3×3 determinant
Gaussian elimination
I
The identity matrix
A⁻¹
The inverse matrix
X=
Solving systems with the inverse
Comprehensive review